A controller in d-q synchronous reference frame for hybrid HVDC transmission system

Author

Torres-Olguin, Raymundo E. ; Molinas, Marta ; Undeland, Tore M.

Author_Institution

Dept. of Electr. Power Eng., Norwegian Univ. of Sci. & Technol., Trondheim, Norway

fYear

2010

fDate

21-24 June 2010

Firstpage

376

Lastpage

383

Abstract

In this paper, a model-based controller is proposed for Hybrid HVDC transmission systems. Hybrid HVDC comprises a Line-commutated Converter (LCC) and a Voltage Source Converter (VSC) which are connected on the same DC link. The VSC regulates the active and reactive power using a model-based controller in a synchronous reference frame while the LCC maintains the DC voltage using a proportional and integral controller. PSCAD/EMTDC simulations illustrates the performance of the Hybrid operation in comparison with CIGRE benchmark HVDC model during normal operation and severe disturbance such as DC fault and AC faults.

Keywords

HVDC power transmission; PI control; power convertors; power transmission control; AC faults; CIGRE benchmark HVDC model; DC fault; PSCAD-EMTDC simulations; d-q synchronous reference frame; hybrid HVDC transmission system; line-commutated converter; model-based controller; proportional and integral controller; voltage source converter; Control systems; Converters; HVDC transmission; PSCAD; Pi control; Power conversion; Power system modeling; Proportional control; Reactive power control; Voltage control;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics Conference (IPEC), 2010 International

Conference_Location

Sapporo

Print_ISBN

978-1-4244-5394-8

Type

conf

DOI

10.1109/IPEC.2010.5542227

Filename

5542227